#include<iostream>

using namespace std;

class A
{
public:
	void Print()
	{

	}
private:
	char _ch1;
	int _i;
	double _d;
};

class B
{
	void Print()
	{

	}
};

class C
{ };

int main()
{
	cout << sizeof(A) << endl;
	cout << sizeof(B) << endl;
	cout << sizeof(C) << endl;

	return 0;
}